Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
之前看到了一个动量方程，形式如下所示，请各位大神帮忙看看有没有错误,万分感谢。
压力梯度项的g是啥？矢量应该不用斜体吧？
矢量用黑体才对，我再查一下资料，这个公式确实是错的
